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evm: Use defined constant for UUID representation 

Instead of sizeof use pre-defined constant for UUID representation.

While here, drop the implementation details of uuid_t type.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Andy Shevchenko 2019-01-24 22:37:02 +02:00 committed by Mimi Zohar
parent fdb2410f77
commit e7fde070f3
1 changed files with 1 additions and 2 deletions
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3
security/integrity/evm/evm_crypto.c
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@ -173,8 +173,7 @@ static void hmac_add_misc(struct shash_desc *desc, struct inode *inode,
crypto_shash_update(desc, (const u8 *)&hmac_misc, sizeof(hmac_misc));
if ((evm_hmac_attrs & EVM_ATTR_FSUUID) &&
type != EVM_XATTR_PORTABLE_DIGSIG)
crypto_shash_update(desc, &inode->i_sb->s_uuid.b[0],
sizeof(inode->i_sb->s_uuid));
crypto_shash_update(desc, (u8 *)&inode->i_sb->s_uuid, UUID_SIZE);
crypto_shash_final(desc, digest);
}